253007780775 has 12 divisors (see below), whose sum is σ = 418306197672. Its totient is φ = 134937483040.

The previous prime is 253007780743. The next prime is 253007780801. The reversal of 253007780775 is 577087700352.

It is not a de Polignac number, because 253007780775 - 2⁵ = 253007780743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1686718464 + ... + 1686718613.

It is an arithmetic number, because the mean of its divisors is an integer number (34858849806).

Almost surely, 2^253007780775 is an apocalyptic number.

253007780775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253007780775 is a deficient number, since it is larger than the sum of its proper divisors (165298416897).

253007780775 is a wasteful number, since it uses less digits than its factorization.

253007780775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373437090 (or 3373437085 counting only the distinct ones).

The product of its (nonzero) digits is 2881200, while the sum is 51.

The spelling of 253007780775 in words is "two hundred fifty-three billion, seven million, seven hundred eighty thousand, seven hundred seventy-five".